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Finding the Fourth Proportional to 264.46, 364.89 and 159.53

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Solution

The fourth proportional to 264.46, 364.89 and 159.53 is: 220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.46 : 364.89 = 159.53 : x
  2. Step 2: Convert to fraction form
    264.46/364.89 = 159.53/x
  3. Step 3: Cross multiply
    264.46x = 364.89 × 159.53
  4. Step 4: Simplify right side
    264.46x = 58,210.90
  5. Step 5: Solve for x
    x = 58,210.90/264.46
  6. Step 6: Final answer
    x = 220.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.